Jamaica, Dollar. The Jamaican Dollar is the currency of Jamaica. Our currency rankings show that the most popular Jamaica Dollar exchange rate is the USD to JMD rate.
A Ferrous metal is one that contains Iron, while a non-ferrous metal does not. Since these forms of metals tend to rust, most jewelry is created with non-ferrous metals. Normally, most jewelry is made from non-ferrous metals with the exception of steel jewelry.
Base Metal. Base metal is a jewelry industry term for nonprecious metals used in costume jewelry, including copper, aluminum, brass, nickel silver, pewter and white metal, also called pot metal. Nickel silver is a silvery-white alloy resembling silver made from nickel, zinc, copper, iron, manganese and sometimes lead.nlike fine jewelry, costume jewelry is made from nonprecious metals called base metals. Most of these are both beautiful and relatively benign. However, nickel can cause an allergic reaction, while the lead found in some alloys has been linked to far more serious conditions and is highly regulated.